A ladder is balanced against a wall without moving. What
must be true about this ladder?

the only forces acting on it is that of its weight and the wall and those forces must be equal

Explanation:

d. air pressure decreases as altitude increases.

dec 23, 2016 - a load of bricks weighing 680 n a distance of 10 m across a parking lot. if if the worker pushes the cart with a constant force of 209 n, what work= force x distance = 220 n x 10 m = 2200 n.m = 2200 j i don't know where the person got it from, but the initial part, work= force x distance me.